shell:$ nslookup -timeout=2 -retry=1 'outlook.live.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
outlook.live.com	canonical name = olc-g2.tm-4.office.com.
olc-g2.tm-4.office.com	canonical name = outlook.ms-acdc.office.com.
outlook.ms-acdc.office.com	canonical name = MDW-efz.ms-acdc.office.com.
Name:	MDW-efz.ms-acdc.office.com
Address: 52.96.239.178
Name:	MDW-efz.ms-acdc.office.com
Address: 52.96.157.98
Name:	MDW-efz.ms-acdc.office.com
Address: 52.96.157.82
Name:	MDW-efz.ms-acdc.office.com
Address: 52.96.163.18
Name:	MDW-efz.ms-acdc.office.com
Address: 2603:1036:304:2855::2
Name:	MDW-efz.ms-acdc.office.com
Address: 2603:1036:304:81c::2
Name:	MDW-efz.ms-acdc.office.com
Address: 2603:1036:304:803::2
Name:	MDW-efz.ms-acdc.office.com
Address: 2603:1036:304:871::2